/Engine/Source/Editor/UnrealEd/Public/DataTableEditorUtils.h
Reads a data table and parses out editable copies of rows and columns
static void CacheDataTableForEditing ( const [UDataTable](API\Runtime\Engine\Engine\UDataTable) * DataTable, [TArray](API\Runtime\Core\Containers\TArray)< FDataTableEditorColumnHeaderDataPtr > & OutAvailableColumns, [TArray](API\Runtime\Core\Containers\TArray)< FDataTableEditorRowListViewDataPtr > & OutAvailableRows )